Underground mine phones , mode KTW255, designed in strict accordance with i Intrinsically safe standards ...    More ...

Underground mine phones     , mode KTW255, designed in strict accordance with i Intrinsically safe standards, IP68 protection level, suitable for underground coal mines with explosive mixtures such as methane and coal dust, and can also be used in chemical zone 1, 2, and combustible dust environments.     
 
Parameters of Mine Explosion Proof Phone     
                                           Category
                                          Specification
                     
                                      Explosion-proof Type
                                          Coal mine explosion-proof: Ex ib I Mb
                     
                                      Chemical explosion-proof: Ex ib IIC T4 Gb
                     
                                      Dust explosion-proof: Ex IBD 21 T130℃
                     
                                      Format And Frequency Band
                                          CDMA EVDO: Bc0
                     
                                      GSM: B2 B3 B8
                     
                                      TD-SCDMA: B34 B39
                     
                                      WCDMA: B1 B5 B8  
                     
                                      LTE-FDD: B3 B1 B5 B8
                     
                                      LTE-TDD: B34 B38 B39 B40 B41
                     
                                      Dual SIM
                                          Support dual card, require LTE + G/C/W/L,   support main and auxiliary card switching, support SIM card hot-swap
                     
                                      Voice Solution
                                          Telecom dual SIM dual Volte, support   WCDMA WB HD calling
                     
                                      Appearance Size
                                          165mm*77mm*11.5mm
                     
                                      Weight
                                          226g
                     
                                      Operating System
                                          Android 9.0
                     
                                      Processor
                                          Huben T310
                     
                                      CPU
                                          Shark L5
                     
                                      Body Memory
                                          6+128GB, extended storage (T card) can support 128G
                     
                                      Body Screen
                                          5.7 inches, resolution 720*1440, touch-type IN CELL, screen type TFT(IPS)
                     
                                      camera Pixel
                                          Front 8 million pixels, rear 13 million   pixels, support flash
                     
                                      Light Sensor
                                          Support
                     
                                      Distance Sensor
                                          Support
                     
                                      Gravitational Acceleration Sensor
                                          Support
                     
                                      USB Interface
                                          Type C doesn't support the OTG function
                     
                                      Headphone Jack
                                          Type C
                     
                                      Loudspeaker
                                          Front 2.5W, dual MIC
                     
                                      WLAN Protocol
                                          802.11a/b/g/n/ac
                     
                                      Bluetooth
                                          4.0
                     
                                      Satellite Positioning
                                          GPS BDS
                     
                                      NFC
                                          Support
                     
                                      Radio
                                          Support
                     
                                       
                Touch Key Category
                                          Virtual
                     
                                      Battery Capacity
                                          Chemical version 4600mAh, coal mine   version 3600mAh, charging time ≤5 hours, with 5V 2A charger
                     
                                      Protection Class
                                          IP68
                     
      
Features of Mine Explosion-proof Mobile Phone

01
Coal Mine Explosion-proof Mark
Ex IB I Mb, chemical explosion-proof mark: Ex IB IIC T4 Gb, dust explosion-proof mark: Ex ibD 21 T130℃.
02
Android 9.0 System
Huben T310 processor, running fast.
03
5.7-inch Touch Screen
720*1440 resolution, suitable size.
04
The Body Memory 6+128Gb
large capacity storage.
05
The First 8 Million
+ the last 13 million pixels were taken clearly in the coal mine.
 
If you want to know what is difference between flameproof and explosion proof          , please visit our website.
 


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